Run results for: Find diff two array

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Browser: Chrome 93

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Tests:

indexOf
var first = [ 1, 2, 3, 4, 5 ]; var second = [ 4, 5, 6 ]; var difference = first.filter(x => second.indexOf(x) === -1); console.log(difference);
includes
var first = [ 1, 2, 3, 4, 5 ]; var second = [ 4, 5, 6 ]; var difference = first.filter(x => !second.includes(x)); console.log(difference); /* Output: [ 1, 2, 3] */
Set objec
var first = [ 1, 2, 3, 4, 5 ]; var second = [ 4, 5, 6 ]; var b = new Set(second); var difference = [...first].filter(x => !b.has(x)); console.log(difference);